References

• FreeBSD

FreeBSD 10.3

FreeBSD 11.0

• Perl 5 Bug Tickets: Locales on FreeBSD

RT #129953: lib/locale.t: Test failures and segfaulting on FreeBSD-11 and -12

RT #130163: lib/locale.t fails on freebsd 10

• Perl 5 Smoke Testing

Smoke test summaries at perl5.test-smoke.org

Smoke test summaries at perl.develop-help.com

Smoke 48878: First recent smoke test on FreeBSD-10.3

Smoke 50778: First recent smoke test on FreeBSD-11.0

• Locales

Wikipedia: Locales

• Downstream Users of Perl Affected by 5.26 Changes

  • Autoconf and the "Unescaped Left Brace in Regex" Problem

RT 130497: Impact on Autoconf

Kent Fredric's Bug Report to Autoconf

• The Go language test suite

Go issue #20007

Go test/errchk"

Go patch to avoid unescaped left brace"

(Links confirmed as of May 06 2017.)